"My excitement is delivering this kind of reward to people who deserve it and those are the faithful supporters," Mandaric told the BBC.
"It's great to be the chairman of a Premiership club but my goal has been to deliver the dream to the people of Portsmouth.
"I haven't made a decision about my future yet. I need a few weeks to sort things out back in America but hopefully, as far as I am concerned, I do want to stay with the club.
"There are improvements to be made. I want to establish Portsmouth as a Premiership club and finish the stadium project.
"But our goal really is to stay in the Premiership and get the 40 points we need to stay up.
"With the team we have and with the addition of a few players, hopefully we will be able to do that.
"Now we have to win the championship. That is the next goal and we would like to put our hands on that trophy."